26664760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 35932040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 229, 284, 328, 355, 410, 458, 568, 710, 820, 916, 1145, 1420, 1640, 1832, 2290, 2840, 2911, 4580, 5822, 9160, 9389, 11644, 14555, 16259, 18778, 23288, 29110, 32518, 37556, 46945, 58220, 65036, 75112, 81295, 93890, 116440, 130072, 162590, 187780, 325180, 375560, 650360, 666619, 1333238, 2666476, 3333095, 5332952, 6666190, 13332380, 26664760]

約数ペア:

[(1, 26664760), (2, 13332380), (4, 6666190), (5, 5332952), (8, 3333095), (10, 2666476), (20, 1333238), (40, 666619), (41, 650360), (71, 375560), (82, 325180), (142, 187780), (164, 162590), (205, 130072), (229, 116440), (284, 93890), (328, 81295), (355, 75112), (410, 65036), (458, 58220), (568, 46945), (710, 37556), (820, 32518), (916, 29110), (1145, 23288), (1420, 18778), (1640, 16259), (1832, 14555), (2290, 11644), (2840, 9389), (2911, 9160), (4580, 5822)]